57351222 has 24 divisors (see below), whose sum is σ = 125405280. Its totient is φ = 18941040.

The previous prime is 57351211. The next prime is 57351289. The reversal of 57351222 is 22215375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12654 + ... + 16577.

It is an arithmetic number, because the mean of its divisors is an integer number (5225220).

Almost surely, 2^57351222 is an apocalyptic number.

57351222 is an abundant number, since it is smaller than the sum of its proper divisors (68054058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57351222 is a wasteful number, since it uses less digits than its factorization.

57351222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29348 (or 29345 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 57351222 is about 7573.0589592317. The cubic root of 57351222 is about 385.6389502487.

Adding to 57351222 its reverse (22215375), we get a palindrome (79566597).

The spelling of 57351222 in words is "fifty-seven million, three hundred fifty-one thousand, two hundred twenty-two".